Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Estimated amortization expense of intangible assets for the remainder of 2016		$ 5.5
Estimated amortization expense of intangible assets for 2017		21.9
Estimated amortization expense of intangible assets for 2018		21.4
Estimated amortization expense of intangible assets for 2019		19.7
Estimated amortization expense of intangible assets for 2020		18.6
Estimated amortization expense of intangible assets for 2021		16.4
Estimated amortization expense of intangible assets for later years		$ 166.3
Media Convergence Group (Newsy) [Member]
Goodwill [Line Items]
Goodwill, Impairment Loss	$ 21.0
Impairment of Intangible Assets (Excluding Goodwill)	2.9
Series of Individually Immaterial Business Acquisitions [Member]
Goodwill [Line Items]
Goodwill, Impairment Loss	$ 1.5